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Showing Delta only (incl. its regional partners)All airlines ×
2,810 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s 77%.

Best time to leave 7–8 am 95% arrive on time from ATL
Best single flight DL 2235 ATL 07:25 → DEN 08:35 · 93% on time Avoid DL 519 ATL 16:39 → DEN 17:56 · 69% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

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ATL
96
87
77
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81
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.

DL 2235 ATL 07:25 DEN 08:35 93%
DL 706 ATL 11:45 DEN 12:59 87%
DL 995 ATL 09:50 DEN 11:07 86%
DL 530 ATL 13:50 DEN 15:00 81%
DL 493 ATL 20:54 DEN 22:12 79%
· · ·
DL 956 ATL 22:59 DEN 00:23 77%
DL 746 ATL 19:25 DEN 20:44 70%
DL 519 ATL 16:39 DEN 17:56 69%

All 11 Delta flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.

DL 840 ATL 07:25 DEN 08:44 3h 19m 91 86% 0.0% 66 min
DL 2235 ATL 07:25 DEN 08:35 3h 10m 195 93% 0.5% 38 min
DL 995 ATL 09:50 DEN 11:07 3h 17m 214 86% 1.9% 34 min
DL 785 ATL 09:55 DEN 11:18 3h 23m 17 100% 0.0% –
DL 706 ATL 11:45 DEN 12:59 3h 14m 362 87% 0.3% 50 min
DL 957 ATL 12:50 DEN 14:04 3h 14m 91 89% 0.0% 75 min
DL 530 ATL 13:50 DEN 15:00 3h 10m 323 81% 0.9% 51 min
DL 519 ATL 16:39 DEN 17:56 3h 18m 365 69% 0.8% 51 min
DL 746 ATL 19:25 DEN 20:44 3h 19m 361 70% 1.1% 60 min
DL 493 ATL 20:54 DEN 22:12 3h 18m 283 79% 0.4% 55 min
DL 956 ATL 22:59 DEN 00:23 3h 23m 265 77% 2.3% 53 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.

Delta ATL DEN 3h 19m 80% 1.2% 2,810 Flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON